This product works like dry Gypsum--it is a liquid formulation of calcium chloride, surfactants, penetrants, humectants, and a water soluble polyacrylamide, also known as PAM, that work together in a synergistic manner to create a unique soil conditioner.

*The amount of usable calcium in one quart of Liquid "Gypsum" is equivalent to 200 pounds of dry gypsum.Non toxic. Safe for use on all grasses, plants, trees and orchards.Refill quarts and gallons available.